*{padding: 0px;margin: 0px;}
/*about_1*/
.about_1{
    overflow: hidden;
    width: 100%;
    height: auto;
    position: relative;
    min-width: 1200px;
}
.about_1>.img{
    width: 100%;
    min-width: 1200px;
}
/*about_bg*/
.about_bg{
    width: 100%;
    min-width: 1200px;
    height: auto;
    background: -webkit-linear-gradient(top, #afddf2,#e5f8ea,#cedee7);
    /* Safari 5.1 - 6.0 */
    background: -o-linear-gradient(top, #afddf2,#e5f8ea,#cedee7);
    /* Opera 11.1 - 12.0 */
    background: -moz-linear-gradient(top, #afddf2,#e5f8ea,#cedee7);
    /* Firefox 3.6 - 15 */
    background: linear-gradient(to bottom, #afddf2,#e5f8ea,#cedee7);
    /* 标准的语法 */
    background: -ms-linear-gradient(to bottom, #afddf2,#e5f8ea,#cedee7);
    filter: progid:DXImageTransform.Microsoft.Gradient(startColorStr='#afddf2',endColorStr='#cedee7',gradientType='0');
    -ms-filter: "progid:DXImageTransform.Microsoft.Gradient(startColorStr='#afddf2',endColorStr='#cedee7',gradientType='0')";
    /*ie*/
    /*色号从上至下依次是#afddf2    #e5f8ea     #cedee7*/
    overflow: hidden;
    padding-bottom: 100px;
}
/*about_2*/
.about_2>.center{
    width: 1200px;
    overflow: hidden;
    margin: 0px auto;
    position: relative;
}
.about_2>.center>.title{
    width: 100%;
    height: auto;
    overflow: hidden;
    margin-top: 60px;
    margin-bottom: 40px;
}
.about_2>.center>.content{
    border-radius: 40px;
    overflow: hidden;
    position: relative;
}
.about_2>.center>.content>.bg{
    background: #fff;
    position: absolute;
    z-index: 1;
    width: 100%;
    height: 100%;
    filter:alpha(opacity=50);  /* 只支持IE6、7、8、9 */
    -moz-opacity:0.5;  /* FireFox 火狐 */
    -khtml-opacity: 0.5;  /* 兼容老的Safari (1.x) -- */
    opacity: 0.5;    /* 标准浏览器 */
}
.about_2>.center>.content>.hint{
    padding: 40px 50px;
    position: relative;
    z-index: 3;
}
.about_2>.center>.content>.hint>.date{
    color: #000;
    font-size: 30px;
    font-weight: bold;
}
.about_2>.center>.content>.hint>.timeline{
    color: #000;
    margin:10px 0 10px 27px;
}
/* 时间线 */
div.timeline{
    overflow: hidden;
    position: relative;
}
div.timeline::before {
    content: ' ';
    height: 100%;
    width: 3px;
    background-color: #000000;
    position: absolute;
    top: 0;
    left: 5px;
}
div.timeline>.tl-list{
    overflow: hidden;
    position: relative;
    padding-left: 20px;
    font-size: 16px;
    margin:20px 0;
}
div.timeline>.tl-list>.tl-bullet{
    width: 13px;
    height: 13px;
    border-radius: 50%;
    position: absolute;
    left: 0;
    top: 0.35em;
    background-color: #000000;
}
/*about_3*/
.about_3>.center{
    width: 1200px;
    overflow: hidden;
    margin: 0px auto;
    position: relative;
}
.about_3>.center>.title{
    width: 100%;
    height: auto;
    overflow: hidden;
    margin-top: 60px;
    margin-bottom: 40px;
}
.about_3>.center>.content{
    border-radius: 40px;
    overflow: hidden;
    position: relative;
    width: 100%;
}
.about_3>.center>.content>.bg{
    background: #fff;
    position: absolute;
    z-index: 1;
    width: 100%;
    height: 100%;
    filter:alpha(opacity=50);  /* 只支持IE6、7、8、9 */
    -moz-opacity:0.5;  /* FireFox 火狐 */
    -khtml-opacity: 0.5;  /* 兼容老的Safari (1.x) -- */
    opacity: 0.5;    /* 标准浏览器 */
}
.about_3>.center>.content>.imgs{
    position: relative;
    z-index: 3;
    padding: 60px 0  60px 60px;
}
.about_3>.center>.content>.imgs img{
    margin-right: 10px;
}
/*about_4*/
.about_4>.center{
    width: 1200px;
    overflow: hidden;
    margin: 0px auto;
    position: relative;
}
.about_4>.center>.title{
    width: 100%;
    height: auto;
    overflow: hidden;
    margin-top: 60px;
    margin-bottom: 40px;
}
.about_4>.center>.content{
    overflow: hidden;
    position: relative;
    width: 100%;
    height: 500px;
}
.about_4>.center>.contact{
    width: 100%;
    padding: 40px 0;
    overflow: hidden;
}
.about_4>.center>.contact>.list{
    width: 33.33%;
    float: left;
    overflow: hidden;
    padding-left: 60px;
}
.about_4>.center>.contact>.list>.title{
    font-size: 24px;
    color: #000;
}
.about_4>.center>.contact>.list>.explain{
    font-size: 16px;
    color: #000;
    line-height: 26px;
}
/*about_5*/
.about_5{
    overflow: hidden;
    width: 100%;
    min-width: 1200px;
    background: #fbf5f7;
    position: relative;
    z-index: 1;
}
.about_5>.bg{
    width: 100%;
    min-width: 1200px;
}
.about_5>.center{
    width: 1200px;
    overflow: hidden;
    margin: 0px auto;
    position: absolute;
    top: 0;
    left: 50%;
    margin-left: -600px;
    z-index: 2;
}
.about_5>.center>.content{
    width: 1200px;
    overflow: hidden;
    margin: 0px auto;
    position: relative;
    height: 385px;
    border-radius: 30px;
    padding-left: 80px;
    z-index: 3;
}
.about_5>.center>.content .title{
    font-size: 43.53px;
    color: #000;
    margin-top: 40px;
    font-weight: bold;
}
.about_5>.center>.content .hint{
    font-size: 12px;
    color: #000;
    margin-top: 40px;
}
.about_5>.center>.content .form{
    margin-top: 10px;
}
.about_5>.center>.content .form input{
    float: left;
    padding-left: 15px;
    border: 1px solid #949494;
    outline:none; 
    width: 240px;
    height: 46px;
    margin-right: 10px;
    background: #EDF1F4;
}
.about_5>.center>.content .form .btn{
    background: #3269FF;
    width: 550px;
    height: 46px;
    font-size: 24px;
    color: #fff;
}
.about_5>.center>.content .call{
    margin-top: 60px;
    font-size: 12px;
}
.about_5>.center>.content .phone{
    color: #3863AE;
    font-size: 24px;
}
.about_5>.center>.bg{
    position: absolute;
    top: 0;
    left: 0;
    border-radius: 30px;
    height: 385px;
    width: 1200px;
    background: #fff;
    z-index: 2;
    filter:alpha(opacity=70);  /* 只支持IE6、7、8、9 */
    -moz-opacity:0.7;  /* FireFox 火狐 */
    -khtml-opacity: 0.7;  /* 兼容老的Safari (1.x) -- */
    opacity: 0.7;    /* 标准浏览器 */
}
.footer{
    color: #fff;
}